Vishnevite and Omphacite Physical Properties

Vishnevite

Omphacite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

Not Available3.16-3.43

1 7.18

1.5 Fracture

Brittle, Uneven

Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal

1.6 Cleavage

Perfect

{110} Good, {110} Good

1.7 Mohs Hardness

5-65-6

2 10

1.8 Chemical Composition

Not Available

(Ca,Na)(Mg,Fe,Al)Si 2O 6Anthony et al , Handbook of Mineralogy (2001)

Vishnevite and Omphacite Chemical Formula

While comparing Vishnevite and Omphacite physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Vishnevite and Omphacite chemical formula.

Chemical formula of Omphacite- (Ca,Na)(Mg,Fe,Al)Si 2O 6Anthony et al , Handbook of Mineralogy (2001)

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Vishnevite and Omphacite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Vishnevite and Omphacite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Vishnevite and Omphacite Optical Properties during the identification of gemstone. Specific gravity of Vishnevite is 3.16-3.43 whereas that of Omphacite is 3.16-3.43.